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Search Results: 1 - 10 of 696 matches for " Saaqib Qureshi "
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The Effect of Angulated Radius Fractures in Forearm Rotation: A Computer Based Model  [PDF]
Saravana Vail Karuppiah, Saaqib Qureshi, Donal McNally
Journal of Biomedical Science and Engineering (JBiSE) , 2016, DOI: 10.4236/jbise.2016.96024
Abstract: Background: Forearm fractures amongst children are quite a common presentation. The accuracy of correct alignment in forearm bones is important as it determines the degree of forearm rotation (pronation-supination). However in children due to the potential for continuous growth, a degree of angulation is acceptable. The aim of this study was to determine the effect of angulation of forearm fracture on forearm rotation using computer stimulation. Methods: Using a 3D computer modelling software (Wildfire Pro Engineer 4.0, Creo by PTC, Needham, MA), an accurate to scale model of the radius and ulna was replicated from a 7 year old forearm. A realistic representation of pronation/supination of the forearm was applied and a fracture at the junction of proximal one third and distal two third was created. A rotational simulation was created and ended when maximum pronation and supination was reached. Maximum pronation and supination was reached when either no more rotation could occur due to a misalignment of the radius and ulna or there was a collision of the bones. The simulation was repeated in increments of angulation of 2° up to 26°. The angulations that resulted in a combined range of motion (50° pronation and 80° supination) less than 130° were recorded as unacceptable and the others were as acceptable. Findings: The study showed that radius angulation fracture of >16° in the proximal third of the radius would result in an unacceptable reduction of pronation-supination to less than 130°. Conclusion: Patients with more >16° of radius angulation in a distal third shaft fracture of the radius may result in clinical reduction in forearm rotation.
Modified Two-Slit Experiments and Complementarity  [PDF]
Tabish Qureshi
Journal of Quantum Information Science (JQIS) , 2012, DOI: 10.4236/jqis.2012.22007
Abstract: Some modified two-slit interference experiments claim to demonstrate a violation of Bohr’s complementarity principle. A typical such experiment is theoretically analyzed using wave-packet dynamics. The flaw in the analysis of such experiments is pointed out and it is demonstrated that they do not violate complementarity. In addition, it is quite generally proved that if the state of a particle is such that the modulus square of the wave-function yields an interference pattern, then it necessarily loses which-path information.
Comparative Study on Bactericidal Effect of Silver Nanoparticles, Synthesized Using Green Technology, in Combination with Antibiotics on Salmonella Typhi  [PDF]
Shweta Rajawat, Mohammad Shums Qureshi
Journal of Biomaterials and Nanobiotechnology (JBNB) , 2012, DOI: 10.4236/jbnb.2012.34049
Abstract: In this work bactericidal study of silver nanoparticles was taken up in combination with two standard antibiotics, ampicillin and gentamycin, for Salmonella Typhi. The antibacterial activities of antibiotics were increased in the presence of AgNPs against test strains. The higher enhancing effect was observed for ampicillin in comparison to gentamicin against test strains. Silver nanoparticles were synthesized elctrolytically using silver wire of 99% purity as anode and carbon rod wrapped with LDPE as cathode. Silver nitrate [of Merck] of 0.01N is used as an electrolyte. Here tea extract is added as capping and mild reducing agent. The polyphenols theaflavins and thearubigins, present in tea perform the role of stabilizing or capping agents due to their bulky and steric nature. A brown coloured colloidal solution of silver nanoparticles is obtained. The as-synthesized silver nanoparticles were characterized using XRD, TEM and UV-Vis spectroscopy.
Quantum Key Distribution with Qubit Pairs  [PDF]
Mohd Asad Siddiqui, Tabish Qureshi
Journal of Quantum Information Science (JQIS) , 2014, DOI: 10.4236/jqis.2014.43014

We propose a new Quantum Key Distribution method in which Alice sends pairs of qubits to Bob; each is in one of four possible states. Bob uses one qubit to generate a secure key and the other to generate an auxiliary key. For each pair he randomly decides which qubit to use for which key. The auxiliary key has to be added to Bob’s secure key in order to match Alice’s secure key. This scheme provides an additional layer of security over the standard BB84 protocol.

A Practical Approach of Storage Strategy for Grid Computing Environment
Kalim Qureshi
Lecture Notes in Engineering and Computer Science , 2012,
A modified enucleation technique for children with retinoblastoma
Qureshi S
Indian Journal of Cancer , 2009,
The Professional Medical Journal , 2010,
Abstract: To find out the major causative factors in primary versus secondary infertility in study group. (2) To suggest aneasy plan of investigation for an infertile couple. Study Design: Descriptive study. Setting: Gynecology & Obstetric Unit in IndependentUniversity Hospital, Faisalabad. Period: Two years from Jan 2008 to Dec 2009. Material & Methods: Convenience sample technique wasused to collect the patients. Results: Anovulation had contributed 20% in primary infertility and 16% in secondary infertility. Tubal factor wasmore common in secondary infertility. Male factor was 40% in primary infertility and 16% secondary infertility. Conclusions: Counseling,reassurance and efficient, timely and appropriate management plan is essential to minimize the distress of infertile couples.
The Professional Medical Journal , 2008,
Abstract: Congenital Adrenal Hyperplasia is the most common cause of female intersex and is an autosomalrecessive disorder resulting in enzyme deficiency 21-hydroxylase. The case series describes three such cases thatare investigated and managed at Independent University Hospital Faisalabad.
MA. Qureshi
The Professional Medical Journal , 1997,
The Professional Medical Journal , 2008,
Abstract: Objective: To highlight the different clinical features, parameters of diagnosis and to see the effectof chemotherapy and steroids on this disease. Setting: Department of Otolaryngology Head & Neck Surgery JinnahHospital Lahore. Period: From Dec 1998 to July 2001. Methods: Five cases of Wegener Granulomatosis were studiedduring the study period. Three patients had limited disease while two patients had generalized disease with renalinvolvement. All patients were started on azathiopurine (2mg/Kg/day) or cyclophoshamide (1-2mg/km/day) along withsteroids. After a months time the dose of steroid was reduced to alternate day. Weekly monitoring of white blood cellcount with urine examination for RBCs or protein casts was done. Any patient with haematuria or TLC reduced to lessthan 3500 were immediately taken off from cyclophoshamide and azathiopurine was started. Patients having classicdisease , dose of cyclophoshamide had to be increased from two to four milligram / per Kilogram per day to achievea good response. The response to treatment was measured by noticing the resolution of pulmonary infiltrates reducedESR and negative C-ANCA. Results: We found nasal symptoms like nasal obstruction and epistaxis to be the mostcommon symptom followed by fever, cough and deafness. Crusting, granulations and occasional perforation wereusually found on nasal examination. Conductive deafness was most common ear finding. History, clinical examination,ESR, C-ANCA and a representative biopsy were all essential in diagnosing this condition. Azathiopurine andcyclophosphamide were the main chemotherapeutic agents used with prednisone to cause remission in all our patientsexcept one who died two weeks after having been admitted in our institution. Surprisingly in contrast to the normalcause of high mortality reported in international literature in this disease to be renal failure, our patient died due torespiratory failure. Four out of five patients went into remission a year after regular treatment with this regime. Themajor complications occurring during hospital stay and their treatment were nausea, vomiting, sudden fall of TLC, andoral thrush. Conclusion: The common presentation of patient with Wegner’s Granulomatosis is of upper respiratorytract symptoms like nasal obstruction and epistaxis followed by lower respiratory symptoms like cough, fever andHaemoptysis. A representative biopsy with positive C-ANCA and high ESR are hallmarks of diagnosing this condition.The most effective medical regime till today is cyclophosphamide and azathiopurine with alternate day prednisone fo
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